<html>
<head>
    <meta charset="utf-8">
    <title></title>


</head>
<body>
<form ethod="get" action="">

<p>
username:<input type="text" name="username" style="color:#999" value="请输入用户名" onfocus="if(this.value=='请输入用户名'){this.value='';this.style.color='#424242'}" onblur="if(this.value==''){this.value='请输入用户名';this.style.color='#999'}"/>
</p >

<p>
password<input type="password" style="color:#999"name="password" value="00000000"
onfocus="if(this.value=='00000000'){this.value='';this.style.color='#424242'} " onblur="if(this.value==''){this.value='00000000';this.style.color='#999'}"/>
</p >

<p>
<input type="submit" value="登陆"/>
</p >


    </form>

</body>
</html>